receptor binding Article 7 Humans 5 genetics 5 human 5 Antibodies, Viral 4 COVID-19 4 SARS-CoV-2 4 Severe acute respiratory syndrome coronavirus 2 4 Spike Glycoprotein, Coronavirus 4 controlled study 4 coronavirus spike glycoprotein 4 nonhuman 4 spike protein, SARS-CoV-2 4 virus antibody 4 binding affinity 3 binding site 3 chemistry 3 metabolism 3 virus neutralization 3 Computational Biology 2 Immunoglobulin A 2 Ligands 2 Models, Molecular 2 Protein Domains 2 X ray diffraction 2 amino acid sequence 2 biology 2 coronavirus disease 2019 2 immunoglobulin A 2